ENVIRONMENTAL SCIENCE A TEST STUDY
GUIDE 2025/2026 ACCURATE QUESTIONS AND
CORRECT DETAILED ANSWERS WITH
RATIONALES || 100% GUARANTEED PASS
<NEWEST VERSION>
1. What is an example of science? - ANSWER ✓ studying the universe,
including motions, positions, and interactions of celestial objects
2. What is environmental science? - ANSWER ✓ the studying of the
composition of the environment and organisms' interactions within the
environment
3. Which are human causes of extinction? select all that apply. - ANSWER ✓
burning of fossil fuels
introduction of a foreign species
4. How is conservation defined? - ANSWER ✓ conservation is the careful
management of resources and the preservation of wildlife and habitats
5. How is proper science validated? - ANSWER ✓ experimentation and testing
6. What type of science is a pseudoscience? - ANSWER ✓ false
7. Which scientific questions can be disproved by conducting tests? select all
that apply. - ANSWER ✓ can monkeys communicate with each other?
Are vegetables good for growing strong bones?
do video games negatively impact mental health?
8. Which claim is credible? - ANSWER ✓ from a university article: "flying
squirrels can move through the air quickly, gliding to trees."
,9. What is the focus of environmental science? - ANSWER ✓ solutions to
environmental problems
10.Which are causes of extinction? - ANSWER ✓ cutting down forests,
overfishing
11.Match each contribution to science with the correct individual. - ANSWER
✓ rachel carson: warned of the dangers of pesticides and herbicides
robert shelford: collected different insects specimens
frank egler: encouraged scientific research in ecology
marjory stoneman douglas: advocated for the preservation of the everglades
12.System - ANSWER ✓ Network of interdependent components and
processes.
13.Equilibrium - ANSWER ✓ A system in stable balance.
14.Positive feedback loop - ANSWER ✓ A signal or factor that tends to
increase a process or component.
15.Negative feedback loop - ANSWER ✓ A signal or factor that tends to
decrease a process or component.
16.Matter - ANSWER ✓ Anything that takes up space and has mass.
17.Conservation of Matter - ANSWER ✓ In any chemical reaction, matter
changes form; it is neither created nor destroyed.
18.Elements - ANSWER ✓ Substances that cannot be broken into simpler units
by chemical means.
19.Atoms - ANSWER ✓ The smallest particles that exhibit the characteristics
of an element.
,20.Compounds - ANSWER ✓ Substances composed of different kinds of
atoms.
21.Molecule - ANSWER ✓ a combination of two or more atoms.
22.Organic Compounds - ANSWER ✓ Complex molecules organized around
skeletons of carbon atoms arranged in rings or chains; includes
biomolecules, molecules synthesized by living organisms.
23.Cell - ANSWER ✓ Minute compartments surrounded by semipermeable
membranes within which the processes of life are carried out by all living
organisms.
24.Energy - ANSWER ✓ The capacity to do work, such as moving matter over
a distance.
25.A non-living factor in an ecosystem, such as dirt, air, or rain. - ANSWER ✓
abiotic factor
26.Why is phytoplankton located near the ocean's surface? - ANSWER ✓ d.
It needs sunlight to survive.
27.lesson 16 - ANSWER ✓ natural selection
28.Which statement best explains why genetic variation is significant? -
ANSWER ✓ some individuals have traits that give them a competitive
advantage, increasing their ability to survive and reproduce.
29.Which statements most accurately reflect aspects of differential reproductive
success? select all that apply. - ANSWER ✓ more fit individuals have higher
survival and reproduction rates.
individuals who reproduce pass their traits on to their offspring.
30.Which statement best defines "fitness?" - ANSWER ✓ the ability of some
individuals to be better suited for survival and reproduction
, 31.Which statement best defines "gene?" - ANSWER ✓ a section of dna that
controls a trait
32.When environments are highly unstable and changing rapidly, what happens
to the natural selection of a species? - ANSWER ✓ individuals with
advantageous traits that help them adapt to the changes will go on to
reproduce, and the population will evolve to survive in the new environment.
33.What is a section of dna that controls a trait called? - ANSWER ✓ gene
34.Which statement best defines "natural selection"? - ANSWER ✓ a process
by which individuals that carry advantageous traits survive and produce
offspring
35.Which statement best defines "variation"? - ANSWER ✓ different
appearances in organisms of the same species
36.Which statement best defines "species"? - ANSWER ✓ a group of
potentially interbreeding organisms that have the ability to produce fertile
offspring
37.How did the industrial revolution lead to an increase in air pollution? -
ANSWER ✓ coal burning in factories released a lot of smoke, dust, and
chemicals.
38.Medium ground finches on the galapagos islands eat a variety of seeds. some
finches have larger beaks and can eat harder, larger seeds. some finches have
smaller beaks and can eat smaller, softer seeds. when droughts occur, the
smaller and softer seeds are no longer available. how will natural selection
affect the population of medium ground finches when faced with prolonged
drought? select all that apply. - ANSWER ✓ individuals with larger beaks
will survive at higher rates
individuals with small beaks will die at higher rates
the frequency of large beaks in the population will increase.
GUIDE 2025/2026 ACCURATE QUESTIONS AND
CORRECT DETAILED ANSWERS WITH
RATIONALES || 100% GUARANTEED PASS
<NEWEST VERSION>
1. What is an example of science? - ANSWER ✓ studying the universe,
including motions, positions, and interactions of celestial objects
2. What is environmental science? - ANSWER ✓ the studying of the
composition of the environment and organisms' interactions within the
environment
3. Which are human causes of extinction? select all that apply. - ANSWER ✓
burning of fossil fuels
introduction of a foreign species
4. How is conservation defined? - ANSWER ✓ conservation is the careful
management of resources and the preservation of wildlife and habitats
5. How is proper science validated? - ANSWER ✓ experimentation and testing
6. What type of science is a pseudoscience? - ANSWER ✓ false
7. Which scientific questions can be disproved by conducting tests? select all
that apply. - ANSWER ✓ can monkeys communicate with each other?
Are vegetables good for growing strong bones?
do video games negatively impact mental health?
8. Which claim is credible? - ANSWER ✓ from a university article: "flying
squirrels can move through the air quickly, gliding to trees."
,9. What is the focus of environmental science? - ANSWER ✓ solutions to
environmental problems
10.Which are causes of extinction? - ANSWER ✓ cutting down forests,
overfishing
11.Match each contribution to science with the correct individual. - ANSWER
✓ rachel carson: warned of the dangers of pesticides and herbicides
robert shelford: collected different insects specimens
frank egler: encouraged scientific research in ecology
marjory stoneman douglas: advocated for the preservation of the everglades
12.System - ANSWER ✓ Network of interdependent components and
processes.
13.Equilibrium - ANSWER ✓ A system in stable balance.
14.Positive feedback loop - ANSWER ✓ A signal or factor that tends to
increase a process or component.
15.Negative feedback loop - ANSWER ✓ A signal or factor that tends to
decrease a process or component.
16.Matter - ANSWER ✓ Anything that takes up space and has mass.
17.Conservation of Matter - ANSWER ✓ In any chemical reaction, matter
changes form; it is neither created nor destroyed.
18.Elements - ANSWER ✓ Substances that cannot be broken into simpler units
by chemical means.
19.Atoms - ANSWER ✓ The smallest particles that exhibit the characteristics
of an element.
,20.Compounds - ANSWER ✓ Substances composed of different kinds of
atoms.
21.Molecule - ANSWER ✓ a combination of two or more atoms.
22.Organic Compounds - ANSWER ✓ Complex molecules organized around
skeletons of carbon atoms arranged in rings or chains; includes
biomolecules, molecules synthesized by living organisms.
23.Cell - ANSWER ✓ Minute compartments surrounded by semipermeable
membranes within which the processes of life are carried out by all living
organisms.
24.Energy - ANSWER ✓ The capacity to do work, such as moving matter over
a distance.
25.A non-living factor in an ecosystem, such as dirt, air, or rain. - ANSWER ✓
abiotic factor
26.Why is phytoplankton located near the ocean's surface? - ANSWER ✓ d.
It needs sunlight to survive.
27.lesson 16 - ANSWER ✓ natural selection
28.Which statement best explains why genetic variation is significant? -
ANSWER ✓ some individuals have traits that give them a competitive
advantage, increasing their ability to survive and reproduce.
29.Which statements most accurately reflect aspects of differential reproductive
success? select all that apply. - ANSWER ✓ more fit individuals have higher
survival and reproduction rates.
individuals who reproduce pass their traits on to their offspring.
30.Which statement best defines "fitness?" - ANSWER ✓ the ability of some
individuals to be better suited for survival and reproduction
, 31.Which statement best defines "gene?" - ANSWER ✓ a section of dna that
controls a trait
32.When environments are highly unstable and changing rapidly, what happens
to the natural selection of a species? - ANSWER ✓ individuals with
advantageous traits that help them adapt to the changes will go on to
reproduce, and the population will evolve to survive in the new environment.
33.What is a section of dna that controls a trait called? - ANSWER ✓ gene
34.Which statement best defines "natural selection"? - ANSWER ✓ a process
by which individuals that carry advantageous traits survive and produce
offspring
35.Which statement best defines "variation"? - ANSWER ✓ different
appearances in organisms of the same species
36.Which statement best defines "species"? - ANSWER ✓ a group of
potentially interbreeding organisms that have the ability to produce fertile
offspring
37.How did the industrial revolution lead to an increase in air pollution? -
ANSWER ✓ coal burning in factories released a lot of smoke, dust, and
chemicals.
38.Medium ground finches on the galapagos islands eat a variety of seeds. some
finches have larger beaks and can eat harder, larger seeds. some finches have
smaller beaks and can eat smaller, softer seeds. when droughts occur, the
smaller and softer seeds are no longer available. how will natural selection
affect the population of medium ground finches when faced with prolonged
drought? select all that apply. - ANSWER ✓ individuals with larger beaks
will survive at higher rates
individuals with small beaks will die at higher rates
the frequency of large beaks in the population will increase.
